PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/06/06-17:12:50 G01 103.1 27.6 12.6 +/- 0.77 23.2 +/- 0.77 0.090 / 0.150 G07 112.5 55.5 13.4 +/- 0.44 15.9 +/- 0.44 0.090 / 0.160 G08 41.8 18.2 10.7 +/- 0.94 24.5 +/- 0.94 0.030 / 0.050 G09 173.8 9.9 13.0 +/- 2.85 36.2 +/- 2.85 0.040 / 0.040 G11 84.0 42.9 12.6 +/- 0.81 17.6 +/- 0.81 0.040 / 0.080 G13 306.3 30.9 12.2 +/- 1.35 20.9 +/- 1.35 0.040 / 0.060 G17 208.2 39.8 13.6 +/- 0.93 19.8 +/- 0.93 0.030 / 0.030 G18 76.3 24.7 12.1 +/- 0.94 23.8 +/- 0.94 0.030 / 0.030 G28 326.1 61.5 11.5 +/- 1.06 12.9 +/- 1.06 0.050 / 0.060 G30 45.6 79.5 13.1 +/- 0.83 13.3 +/- 0.83 0.040 / 0.050